January weather forecast
Siloam Springs, AR

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Weather in January

The first month of the year is typically quite cold in Siloam Springs with temperatures hovering around freezing points. Snowfall is not uncommon but is relatively light, with stable pressure conditions reigning supreme. The city welcomes the new year under mostly cloudy skies, reflecting the average cloud coverage of 40%. The most noticeable part of January weather in Siloam Springs is its relative aridity compared to the other months, with the lowest rainfall of 2.4" (61mm). Despite the gloomy start, bursts of sunshine can break through the hibernation, pleasant surprises on otherwise cold winter days.

Temperature

The lowest temperatures are recorded in January, with averages reaching a high of 44.4°F (6.9°C) and a low of 28.8°F (-1.8°C).

Humidity

In Siloam Springs, Arkansas, the average relative humidity in January is 72%.

Rainfall

In Siloam Springs, during January, the rain falls for 8.8 days and regularly aggregates up to 2.4" (61mm) of precipitation. In Siloam Springs, during the entire year, the rain falls for 156 days and collects up to 34.41" (874mm) of precipitation.

Snowfall

January through March, May, November and December are months with snowfall in Siloam Springs, Arkansas. In Siloam Springs, in January, during 3.3 snowfall days, 0.94" (24mm) of snow is typically accumulated. Throughout the year, in Siloam Springs, there are 12.2 snowfall days, and 4.21" (107mm) of snow is accumulated.

Daylight

In Siloam Springs, the average length of the day in January is 10h and 2min.
On the first day of January, sunrise is at 7:29 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:43 pm CST.

Sunshine

The months with the least sunshine in Siloam Springs are January and December, with an average of 5.4h of sunshine.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Siloam Springs. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In January, a daily maximum UV index of 2 leads to the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

What are the coldest months in Siloam Springs?

In Siloam Springs, January is the month with the lowest recorded average temperatures, measuring a high of 44.4°F (6.9°C) and a low of 28.8°F (-1.8°C).

How cold is January in Siloam Springs?

An average high-temperature, in January, in Siloam Springs, is 44.4°F (6.9°C) and the average low-temperature is 28.8°F (-1.8°C).

What is the average humidity in January in Siloam Springs?

In January, the average relative humidity is 72%.

How much does it rain in Siloam Springs in January?

In Siloam Springs, in January, during 8.8 rainfall days, 2.4" (61mm) of precipitation is typically accumulated.

How much does it snow in Siloam Springs in January?

In Siloam Springs, in January, during 3.3 snowfall days, 0.94" (24mm) of snow is typically accumulated.

What is the average length of the day in January in Siloam Springs?

In Siloam Springs, Arkansas, the average day length in January is 10h and 2min.

What time are sunrise and sunset in January in Siloam Springs?

In January, on the first day of the month, sunrise is at 7:29 am and sunset at 5:14 pm. On the last day of the month, in Siloam Springs, sunrise is at 7:19 am and sunset at 5:43 pm CST.

What is the month with the least sunshine in Siloam Springs?

January and December, with an average of 5.4h of sunshine, are months with the least sunshine.

How long on average sun shines in January in Siloam Springs?

In Siloam Springs, the average sunshine duration in January is 5.4h.

What is the month with the lowest UV index in Siloam Springs?

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Siloam Springs.

What is the UV index intensity in January in Siloam Springs?

In Siloam Springs, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
47.1°F 8.4°C
44.4°F 6.9°C
48.6°F 9.2°C
Average low temperature
32.2°F 0.1°C
28.8°F -1.8°C
32.5°F 0.3°C
Average pressure
30.14" 766mmHg
30.17" 766mmHg
30.12" 765mmHg
Average wind speed
8.8mph 14.2km/h
9.3mph 15km/h
9.6mph 15.4km/h
Average max. wind speed
9.4mph 15.1km/h
9.9mph 15.9km/h
10.3mph 16.6km/h
Average wind speed gusts
14.2mph 22.9km/h
14.9mph 24km/h
15.2mph 24.5km/h
Average humidity
74%
72%
75%
Average rainfall
2.13" 54mm
2.4" 61mm
1.73" 44mm
Average rainfall days
8.9
8.8
9.2
Average snowfall
0.59" 15mm
0.94" 24mm
1.14" 29mm
Average snowfall days
2.4
3.3
3.3
Average daylight
9h 4min
10h 0min
10h 5min
Average sunshine
5h 2min
5h 2min
5h 4min
Average sunshine days
19
18.7
15.1
Average UV index
2
2
3
Average cloud cover
41%
40%
45%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Siloam Springs, AR

Average temperature in January - Siloam Springs, AR
  • Average high temperature in January: 44.4°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (44.4°F).

  • Average low temperature in January: 28.8°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

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Average pressure in January
Siloam Springs, AR

Average pressure in January - Siloam Springs, AR
  • Average pressure in January: 30.17"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are April and June (29.93"Hg).

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Average wind speed in January
Siloam Springs, AR

Average wind speed in January - Siloam Springs, AR
  • Average wind speed in January: 9.3mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in January
Siloam Springs, AR

Average humidity in January - Siloam Springs, AR
  • Average humidity in January: 72%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are August and October (71%).

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Average rainfall in January
Siloam Springs, AR

Average rainfall in January - Siloam Springs, AR
  • Average rainfall in January: 2.4"

The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is February (1.73").

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Average rainfall days in January
Siloam Springs, AR

Average rainfall days in January - Siloam Springs, AR
  • Average rainfall days in January: 8.8 days

The months with the highest number of rainy days are May and July (16.8 days).
The month with the least rainy days is January (8.8 days).

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Average snowfall in January
Siloam Springs, AR

Average snowfall in January - Siloam Springs, AR
  • Average snowfall in January: 0.94"

The month with the highest snowfall is February (1.14").
The months with the least snowfall are April, June, July, August, September and October (0").

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Average snowfall days in January
Siloam Springs, AR

Average snowfall days in January - Siloam Springs, AR
  • Average snowfall days in January: 3.3 days

The months with the highest number of snowfall days are January and February (3.3 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in January /
Average sunshine in January
Siloam Springs, AR

Average daylight in January / Average sunshine in January - Siloam Springs, AR
  • Average daylight in January: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in January: 5h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).

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Average sunshine days in January
Siloam Springs, AR

Average sunshine days in January - Siloam Springs, AR
  • Average sunshine days in January: 18.7 days

The month with the most sunshine days is December (19 days).
The month with the least sunshine days is July (11.2 days).

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Average UV index in January
Siloam Springs, AR

Average UV index in January - Siloam Springs, AR
  • Average UV index in January: 2

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in January
Siloam Springs, AR

Average cloud cover in January - Siloam Springs, AR
  • Average cloud cover in January: 40

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).

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Average visibility in January
Siloam Springs, AR

Average visibility in January - Siloam Springs, AR
  • Average visibility in January: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Siloam Springs, Arkansas, USA

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